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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 31 - 45 (15page)
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Calculation of the saturation of carbonates with various pore types and complicated pore structures in electrical resistivity models requires data on pore types and their effects on electrical resistivity. Therefore, the objectives are to determine the pore types and to investigate their effects on electrical resistivity. The pore types of three coquinas samples were determined by the distributions of experimental porosities and porosity exponents in the cross-plot of the dual porosity model and pore visualization from X-ray computerized tomography. A process-based method was applied to reconstruct the pore-scale models with different pore types. Their pore networks and electrical resistivity were extracted and calculated by the maximal ball and finite element methods, respectively. Fracture reduced the formation factor and porosity exponent. Connected vug increased the pore space that swept by the electrical current to reduce the formation factor while increasing the porosity exponent. Isolated vug undermined the pore space to increase the formation factor and porosity exponent. The effects of the tiny vug were much more obvious than the effects of the large one. This investigation will help to classify the pore types and propose electrical resistivity models that correspond to specific pore types and vug sizes in carbonate reservoirs.
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참고문헌 (43)
참고문헌 신청
Abousrafa, E / 2009 / Pore geometrical model for the resistivity of brine saturated rocks / Journal of Petroleum Science and Engineering 65(3?4):113~122
Aguilera, M. S / 2003 / Improved models for petrophysical analysis of dual porosity reservoirs / SPWLA-2016-v57n3a2 44(1):21~35
Aguilera, R / 1976 / Analysis of naturally fractured reservoirs from conventional well logs(includes associated papers 6420and 6421) / Journal of Petroleum Technology 28(07):764~772
Aguilera, R / 1995 / Naturally fractured reservoirs / PennWell Books
Aguilera, R / 2010 / effect of fracture dip and fracture tortuosity on petrophysical evaluation of naturally fractured reservoirs / Journal of Canadian Petroleum Technology 49(9):69~76
Aguilera, M. S / 2003 / Improved models for petrophysical analysis of dual porosity reservoirs / SPWLA-2016-v57n3a2 44(1):21~35
Aguilera, R / 1976 / Analysis of naturally fractured reservoirs from conventional well logs(includes associated papers 6420and 6421) / Journal of Petroleum Technology 28(07):764~772
Aguilera, R / 1995 / Naturally fractured reservoirs / PennWell Books
Aguilera, R / 2010 / effect of fracture dip and fracture tortuosity on petrophysical evaluation of naturally fractured reservoirs / Journal of Canadian Petroleum Technology 49(9):69~76
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